iPod nano and apple tv new originally!!
Apple iPod is famous for its high extension, compared with MP3 and MP4 made by Japan or Korea. Apple iPod can be called mini computer. The following transformation is a little
exaggerated: Apple iPod nano is transformed into a TV set.


The prototype of the TV set: iPod Nano


The key point is the Lens in front of the screen.

The task to transform the iPod into TV set is completed.
Apple TV is the device to store files on PC (Apple computers or windows coomputers) with the technical of wire or wireless net receiving. Many users use Apple TV, LCD TV and the
Stereo device to build the home Theatre. But how does Apple TV realize the stereo? Apple company announces recently the technical support files and let all the friends that need
it make a reference about how to realize the surrounded stereo. Below is the detailed information:
According to the file, if you want to play the movie with AC-3 surround stereo on Apple TV, the movie files need exist in two audio tracks: the Advanced Audio Coding (AAC)
stereo and “AC-3 surround” at the same time. Moreover, they must have the same sample rate (generally 48Khz). In addition, considering the compatibility, it is suggested to
use the following specifications for movie audio tracks:
 AAC audio track must be in the front and open to use.
 AC-3 audio track must be behind AAC and preset it as “close”
 AC-3 audio track must use the appropriate MPEG-4/ISO standard.
You can use a conversion tool if you do not have the specifications above: it is recommended to use Pavtube video converter. The audio format
is chosen to be AAC codec.
See the picture:

Surround audio track will be able to use HDMI of Apple TV or Fiber terminal for output files. Come to the settings: settings>audio>Dolby Digital Out. Check it as “on” and
enjoy the surround stereo effects that Apple TV has brought.